Re: [saag] Improving the CHAP protocol

Peter Gutmann <pgut001@cs.auckland.ac.nz> Sat, 21 September 2019 18:04 UTC

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From: Peter Gutmann <pgut001@cs.auckland.ac.nz>
To: Yoav Nir <ynir.ietf@gmail.com>
CC: Maurizio Lombardi <mlombard@redhat.com>, Security Area Advisory Group <saag@ietf.org>
Thread-Topic: [saag] Improving the CHAP protocol
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Date: Sat, 21 Sep 2019 18:04:14 +0000
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Subject: Re: [saag] Improving the CHAP protocol
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Yoav Nir <ynir.ietf@gmail.com>; writes:

>FIPS is one advantage. The other is that MD5 is getting scarce in crypto
>libraries, while SHA-256 is everywhere.

Sure, and thus my argument to use SHA-256 and not something obscure.  As you
say, it's everywhere, so a switch is relatively straightforward.

Peter.